Rivière· 7 segments
Grønfjellåga
Crosses 1 administrative regions : Rana
Total length
20km
Max discharge
14,8m³/s
Max Strahler
4
Segments matched
7
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- RanaNordland · Norway19.6 kmin this dpt
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 020 distinct species · 4 131 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Grønfjellåga : 16 espèces reliées par 39 interactions GloBI sur 4 types (connectance 16.9%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
20km
Max discharge
14,8m³/s
Max Strahler
4
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.